<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>后台管理-登陆</title>
    <meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible">
    <meta content="*" http-equiv="Access-Control-Allow-Origin">
    <meta content="width=device-width, initial-scale=1, maximum-scale=1" name="viewport">
    <meta content="black" name="apple-mobile-web-app-status-bar-style">
    <meta content="yes" name="apple-mobile-web-app-capable">
    <meta content="telephone=no" name="format-detection">
    <link href="static/layuiadmin/layui/css/layui.css" media="all" rel="stylesheet">
    <!--[if lt IE 9]>
    <script src="static/js/html5.min.js"></script>
    <script src="static/js/respond.min.js"></script>
    <![endif]-->
    <style>
        html, body {
            width: 100%;
            height: 100%;
            overflow: hidden
        }

        body {
            background: #1E9FFF;
        }

        body:after {
            content: '';
            background-repeat: no-repeat;
            background-size: cover;
            -webkit-filter: blur(3px);
            -moz-filter: blur(3px);
            -o-filter: blur(3px);
            -ms-filter: blur(3px);
            filter: blur(3px);
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: -1;
        }

        .layui-container {
            width: 100%;
            height: 100%;
            overflow: hidden
        }

        .admin-login-background {
            width: 360px;
            height: 300px;
            position: absolute;
            left: 50%;
            top: 40%;
            margin-left: -180px;
            margin-top: -100px;
        }

        .logo-title {
            text-align: center;
            letter-spacing: 2px;
            padding: 14px 0;
        }

        .logo-title h1 {
            color: #1E9FFF;
            font-size: 25px;
            font-weight: bold;
        }

        .login-form {
            background-color: #fff;
            border: 1px solid #fff;
            border-radius: 3px;
            padding: 14px 20px;
            box-shadow: 0 0 8px #eeeeee;
        }

        .login-form .layui-form-item {
            position: relative;
        }

        .login-form .layui-form-item label {
            position: absolute;
            left: 1px;
            top: 1px;
            width: 38px;
            line-height: 36px;
            text-align: center;
            color: #d2d2d2;
        }

        .login-form .layui-form-item input {
            padding-left: 36px;
        }

        .captcha {
            width: 60%;
            display: inline-block;
        }

        .captcha-img {
            display: inline-block;
            width: 34%;
            float: right;
        }

        .captcha-img img {
            height: 34px;
            border: 1px solid #e6e6e6;
            height: 36px;
            width: 100%;
        }
    </style>
</head>
<body>
<div class="layui-container">
    <div class="admin-login-background">
        <div class="layui-form login-form">
            <form action="SignServlet?action=signIn" class="layui-form" method="post">
                <div class="layui-form-item logo-title">
                    <h1>课程管理系统登录</h1>
                </div>
                <div class="layui-form-item">
                    <label class="layui-icon layui-icon-username"></label>
                    <input autocomplete="off" class="layui-input" lay-verify="required|account" name="userId"
                           placeholder="账号" type="text">
                </div>
                <div class="layui-form-item">
                    <label class="layui-icon layui-icon-password"></label>
                    <input autocomplete="off" class="layui-input" lay-verify="required|password" name="password"
                           placeholder="密码" type="password">
                </div>
                <div class="layui-form-item">
                    <input lay-skin="primary" name="rememberMe" title="记住密码" type="checkbox" value="true">
                </div>
                <div class="layui-form-item">
                    <button class="layui-btn layui-btn layui-btn-normal layui-btn-fluid" lay-filter="login"
                            lay-submit="">登 入
                    </button>
                </div>
            </form>
        </div>
    </div>
</div>
<script charset="utf-8" src="static/js/jquery-3.6.0.min.js"></script>
<script charset="utf-8" src="static/layuiadmin/layui/layui.js"></script>
<script charset="utf-8" src="static/js/particleground.js"></script>
<script>
    layui.use(['form'], function () {
        var form = layui.form,
            layer = layui.layer;

        // 登录过期的时候，跳出ifram框架
        if (top.location != self.location) top.location = self.location;

        // 粒子线条背景
        $(document).ready(function () {
            $('.layui-container').particleground({
                dotColor: '#7ec7fd',
                lineColor: '#7ec7fd'
            });
        });

        // 进行登录操作
        form.on('submit(login)', function (data) {
            data = data.field;
            if (data.username == '') {
                layer.msg('用户名不能为空');
                return false;
            }
            if (data.password == '') {
                layer.msg('密码不能为空');
                return false;
            }
        });
    });
</script>
</body>
</html>